GASTEC 155 Methyl Cyclohexanone Detector Tube Operating instructions
- Type
- Operating instructions
GASTEC
No.155 Instructions for
Methyl Cyclohexanone Detector Tube
FOR SAFE OPERATION :
Carefully
read
this
manual
and
the
instruction
manual
of
your
Gastec
Gas
Sampling
Pump.
,& WARNING:
1.
Use
only
Gastec
detector
tubes
in
a
Gastec
Pump.
2.
Do
not
interchange
or
use
non-Gastec
parts
or
components
in
Gastec's
detector
tube
and
pump
system.
3.
The
use
of
non-Gastec
parts
or
components
in
Gastec's
detector
tube
and
pump
system,
or
use
of
a
non-Gastec
detector
tube
with
a
Gastec
pump,
or
use
of
a
Gastec
detector
tube
with
a
non-Gastec
pump
may
result
in
property
damage,
serious
bodily
injury,
and
death;
voids
all
warranties;
and
voids
all
performance
and
data
accuracy
guarantees.
.& CAUTION : If you do not observe the following precautions, you may
suffer injuries or damage the product.
1.
When
breaking
the
tube
ends,
keep
away
from
eyes.
2.
Do
not
touch
the
broken
glass
tubes,
pieces
or
reagent
with
bare
hand(s).
3.
The
sampling
time
represents
the
time
necessary
to
draw
the
air
sample
through
the
tube.
The
tube
must
be
positioned
in
the
desired
sampling
area
for
the
entire
sampling
time
or
until
the
flow
finish
indicator
indicates
the
end
of
the
sample.
.6.NOTES
: For maintaining performance and reliability of the test
results, observe the following.
1.
Use
Gastec
Gas
Sampling
Pump
together
with
Gastec
Detector
Tubes
only
for
the
purposes
specified
in
the
instruction
manual
of
the
detector
tube.
2.
Use
this
tube
within
the
temperature
range
of
O -
40°C
(32
-
104°F
).
3.
Use
this
tube
within
the
relative
humidity
range
of
O -
90%.
4.
This
tube
may
be
interfered
with
by
the
coexisting
gases.
Please
refer
to
the
table
"INTERFERENCES"
below.
5.
Shelf
life
and
storage
condition
of
the
tube
are
marked
on
the
label
of
the
box
of
tube.
APPLICATION OF THE TUBE :
Use
this
tube
for
detecting
Methyl
cyclohexanone
in
the
air
or
in
industrial
areas
and
for
determining
the
environmental
atmospheric
condition.
SPECIFICATION :
(Because
of
Gastec's
commitment
to
continued
improvement,
specifications
are
subject
to
change
without
notice.)
Measuring
Range
2-50
oom
50-80
ppm
Number
of
Pump
Strokes
3 2
Correction
Factor
1
1.6
Sampling
Time
3
minutes
oer
oumo
stroke
Detecting
Limit
0.2
ppm
( n = 3 )
Colour
Change
Pale
Yellow
-+
Yellow
Methyl
cyclohexanone
reacts
with
2,4-dinitrophenylhydrazine
to
Reaction
Principle
form
dinitrophenylhydrazone
to
produce
yellow
in
colour
C1H120
+
CsH3(N02)2NHNH2
-+
(CH3)2C:NNHCsH3(N02)2
Coefficient of Variation : 15% (for 2 to 1 O ppm), 10% (for 1 O to 50 ppm)
**Shelf Life : Please refer to the validity date printed
on
the box of tubes.
**Store the tubes at 10°C (50°F) or below
in
a refrigerator.
CORRECTION FOR TEMPERATURE, HUMIDITY AND PRESSURE:
Calibration
of
the
Gastec
detector
Tube
No.155
is
based
on
a
tube
temperature
of
20°C
(68°F)
and
not
the
temperature
of
the
gas
being
sampled,
approximately
50%
relative
humidity
and
normal
atmospheric
pressure.
Temperature :
Correct
for
temperature
by
the
table
below
:
Tube
True
Concentration
(ppm)
Reading
0°C
5°C
10°C 15°C
20°C
25°C
(ppm)
(32°F)
(41°F) (50°F) (59°F)
(68°F) (77°F)
50
89
64
56 52 50
30
43
36
33
31
30
20 26
23 22
20 20
10
11
11
10 10
10
5 5 5 5 5 5
2 2 2 2 2 2
Humidity :
No
correction
is
required
between
O -
90%
R.H.
Pressure :
To
correct
for
pressure,
use
the
formula
below
Tube
Reading*
(ppm)
x
1013
(hPa)
Atmospheric
Pressure
(hPa)
45
29
20
10
5
2
30°C
(86°F)
44
29
20
10
5
2
*
This
value
is
after
other
correction(s),
if
any,
are
applied.
MEASUREMENT PROCEDURE:
35°C
40°C
(95°F)
(104°F)
43 43
28 28
19 19
10
10
5 5
2 2
1.
For
checking
the
leakage
of
the
pump,
insert
a
fresh
sealed
detector
tube
into
the
pump.
Follow
instructions
provided
with
the
pump
operating
manual.
2.
Break
tips
off
a
fresh
detector
tube
with
the
tube
tip
breaker
of
the
pump.
3.
Insert
the
tube
into
the
pump
inlet
with
arrow
(
G
►
)
on
the
tube
pointing
toward
pump.
4.
Make
certain
the
pump
handle
is
all
the
way
in.
Align
the
guide
mark
on
the
pump
body
with
the
guide
mark
on
the
handle.
5.
Pull
the
handle
all
the
way
out
until
it
locks
at
one
pump
stroke
(100
ml).
Wait
three
minutes
and
confirm
the
completion
of
the
sampling.
Repeat
the
above
sampling
procedure
two
more
times.
6.
For
measurements
higher
than
50
ppm,
prepare
a
fresh
tube
and
perform
two
pump
strokes.
7.
Read
concentration
level
at
the
interlace
where
the
stained
reagent
meets
the
unstained
reagent.
8.
II
temperature
correction
is
necessary,
obtain
the
true
concentration
by
using
the
temperature
correction
table.
Afterwards
multiply
the
correction
factor
of
pump
stroke
ii
necessary.
9.
II
pressure
correction
is
necessary,
use
the
pressure
correction
formula.
INTERFERENCES :
Substance Concentration i Interference Changes colour b itself
to
Ketones
+
Yellow
This
table
of
interference
gases
primarily
expresses
the
interference
of
each
coexisting
gas
in
the
gas
concentration
range,
that
is
equivalent
to
the
gas
concentration.
Therefore,
the
test
result
may
give
a
positive
result
from
other
substances
not
listed
in
the
table.
If
more
information
is
needed,
please
contact
us
or
your
Gastec
representatives.
DANGEROUS AND HAZARDOUS PROPERTIES :
Threshold
Limit
Value
-
Time
Weighted
Average
by
ACGIH
(2021)
:
20
ppm
Explosive
range
:
1.15
%
or
higher
INSTRUCTIONS ON DISPOSAL :
The
reagent
of
the
tube
does
not
use
toxic
substances.
When
disposing
the
tube
regardless
of
whether
it
has
been
used
or
not,
follow
the
rules
and
regulations
of
your
local
government.
WARRANTY:
If
you
have
any
questions
regarding
gas
detection
and
quality
of
the
tubes,
please
feel
free
to
contact
your
Gastec
representatives.
Manufacturer
:
Gastec
Corporation
8-8-6
Fukayanaka,
Ayase-City,
Kanagawa
252-1195,
Japan
https://www.gastec.co.jp/
Telephone
+81-467-79-3910
Facsimile
+81-467-79-3979
IM00155E2
Printed
in
Japan
22C1Z
-
1
-
2
GASTEC 155 Methyl Cyclohexanone Detector Tube Operating instructions
- Type
- Operating instructions
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